653404505051 has 4 divisors (see below), whose sum is σ = 653433855600. Its totient is φ = 653375154504.

The previous prime is 653404505027. The next prime is 653404505053. The reversal of 653404505051 is 150505404356.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 653404505051 - 2²² = 653400310747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 653404504996 and 653404505014.

It is not an unprimeable number, because it can be changed into a prime (653404505053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14641856 + ... + 14686413.

It is an arithmetic number, because the mean of its divisors is an integer number (163358463900).

Almost surely, 2^653404505051 is an apocalyptic number.

653404505051 is a deficient number, since it is larger than the sum of its proper divisors (29350549).

653404505051 is a wasteful number, since it uses less digits than its factorization.

653404505051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29350548.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 653404505051 in words is "six hundred fifty-three billion, four hundred four million, five hundred five thousand, fifty-one".